Revisiting cLFV in "T1-2-A" scotogenic models: asymmetries in three-body lepton decays
Abstract
We consider a well-motivated class of scotogenic models (the "T1-2-A" variant), and carry out a comprehensive reassessment of its prospects regarding charged lepton flavour violating (cLFV) observables. Aiming only at explaining neutrino oscillation data and putting forward a viable dark matter candidate, a thorough exploration of the model's parameter space suggests that one can have sizeable rates for cLFV observables, especially in rare muon transitions. We have further considered the role of parity and time-reversal asymmetries for cLFV 3-body decays, α+ β+ γ+ δ-, which can be potentially studied in association with polarised muon and tau decays. The new set of observables offers further complementarity information on the scotogenic model under consideration, and possible means of testing it.
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